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GLENCOE SERIES <br /> The Glencoe series consists of very deep,very poorly drained soils that formed in loamy sediments from <br /> glacial till on glacial morai�ies.These soils have moderate or moderately slo�v permeability.Slopes are 0 to <br /> 1 percent.�iean annua!precipitation is about 28 inches.tifean annuaf temperature is about�18 degrees F. <br /> TAXONOMIC CLASS: Fine-loamy, mixed, superactive, mesic Cumulic Endoaquolls <br /> TYPICAL PEDON: Gtencoe ctay loam with a concave stope of less than 1 percent in a <br /> depression on a ground moraine in cultivated fie(d. (Colors are for moist soil unless <br /> atherwise noted.) <br /> Ap--O to 10 inches; black (N 2/0) clay loam; massive; friable; about 2 percent gravel; <br /> cloddy; neutral; abrupt smooth boundary. <br /> A--tO to 24 inches; black(N 2/0)clay Ioam; weak fine subangular blocky structure; <br /> friable;about 2 percent gravel; neutrat; clear wavy boundary, (Cotnbined thickness of A <br /> horizon is 16 to 32 inches.) <br /> ABg--24 to 3� inches; very dark gray (SY 3Jl) c(ay loam; weak fine subangular biocky <br /> structure; fi•iable; feti��tongues of dark olive gray (5Y 3/2)and olive gray (SY 4/2); about <br /> 2 percent gravel; neutral; gradua! ii7�eg�21a�•boundary. {0 to 26 inches thick} <br /> Bg--35 to �18 inches; olive gray(SY 4/2) loam;moderate coarse subangular blocky <br /> structure; friable: few tongues of very dark gray (SY 3/l); about 5 percent gravel; <br /> eommon fine prominent light olive brown(2.SY 5/4}and common mediurn prominent <br /> strong brown(7.5YR 5/6) Fe concentrations; neutral; graduai wavy boundary, (Q to 30 <br /> inches thick) ' <br /> Cg--48 to 60 inches; grayish brown (2.SY S/2) loam; massive; friable; about 5 percent ' <br /> gc•avel; many medium distinct light olive brown (2.SY S/4) Fe concentrations; strongly ' <br /> effeivescent; s(ightly a(ka(ine. ', <br /> TYPE LOCATION: Steele County, Minnesota; about 5 miles nocrth�vest of Owatonna; <br /> 2,640 feet south, 2,660 feet�vest of ti�e northeast corner of sec. 24, T. 108 N,, R. 2l W.; <br /> USGS Medford West quadrangle; lat. 44 degrees 8 minutes 46 seconds N. and long. 93 <br /> degrees l7 minutes�5 seconcls W.,NAD27. <br /> RANGE IN CHARACTERISTICS: Depth to free carbonates is 30 to 60 inches or , <br /> more. The Ap in a few pedons will have small amounts of free carbonates. The thickness ', <br /> of the mollic epipedon ranges fcom 24 to SO inches. The control section averages between ' <br /> 22 and 35 percent ctay and from 15 to 30 percent fine sand and coarser. Rock fragments <br /> of mixed lithology comprise 0 to 5 percent of the volume of the A and B horizons and 2 ' <br /> to 8 percent of the C horizon. Some pedons have an 0 horizon up to 6 inches in thickness. ' <br /> A stratified substratum phase is recognized with silt loam, sand, sandy loam, and loamy ', <br /> sand textures beiow 40inches. ' <br /> The Ap or A horizon has hue of lOYR to SY or neutral, value of 2 or 3,and chroma of 0 <br /> or l. [t is clay loam, silty clay foam,or loam with 25 to 35 percent clay. Ponded phases <br />